IA, Ia, or ia may refer to:

Arts and entertainment

* ''Ia'', an 1892 novelette by

Arthur Quiller-Couch Sir Arthur Thomas Quiller-Couch (; 21 November 186312 May 1944) was a British writer who published using the pseudonym Q. Although a prolific novelist, he is remembered mainly for the monumental publication '' The Oxford Book of English Verse ...

* "Iä", a fictional word in the works of H. P. Lovecraft *

International Alliance of Theatrical Stage Employees The International Alliance of Theatrical Stage Employees, Moving Picture Technicians, Artists and Allied Crafts of the United States, Its Territories and Canada, known as simply the International Alliance of Theatrical Stage Employees (IATSE or ...

(IATSE), which also goes by IA * International Artists, a record label

Businesses and organizations

Indian Airlines Indian Airlines was a division of Air India Limited. It was based in Delhi and focused primarily on domestic routes, along with several international services to neighbouring countries in Asia. It was a division of Air India Limited after ...

, logo *

Indiana Academy Indiana Academy also known as IA is a Seventh-day Adventist secondary school located in Cicero, Indiana, United States. Indiana Academy is owned and operated by the Indiana Conference of Seventh day Adventists and is one of many other Adventis ...

, a school * International Academy, Bloomfield Hills, Michigan * International Artists, a record label * '' Internet Archaeology'', an electronic journal *

Internet Archive The Internet Archive is an American digital library with the stated mission of "universal access to all knowledge". It provides free public access to collections of digitized materials, including websites, software applications/games, music ...

, creators of the Wayback Machine * Iraqi Airways (IATA airline designator IA) * Aircraft model prefix of ''Fabrica Argentina de Aviones'', e.g. FMA IA 62 * Impact assessment of public policy

Government, law, and military

Indian Army The Indian Army is the land-based branch and the largest component of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Army, and its professional head is the Chief of Army Staff (COAS), who is a four ...

, the Indian Army *

Indonesian Army The Indonesian Army ( id, Tentara Nasional Indonesia Angkatan Darat (TNI-AD), ) is the land branch of the Indonesian National Armed Forces. It has an estimated strength of 300,000 active personnel. The history of the Indonesian Army has its r ...

, the Indonesian Army * Individual augmentee, U.S. military person temporarily assigned to a unit *

Indecent assault Indecent assault is an offence of aggravated assault in some common law-based jurisdictions. It is characterised as a sex crime and has significant overlap with offences referred to as sexual assault. England and Wales Indecent assault was a broa ...

, sexual criminal offense

Language

* Ia (cuneiform), a sign in cuneiform writing * Inter alia (i.a.), Latin meaning "among other things" *

Interlingua Interlingua (; ISO 639 language codes ia, ina) is an international auxiliary language (IAL) developed between 1937 and 1951 by the American International Auxiliary Language Association (IALA). It ranks among the most widely used IALs and is ...

(ISO 639-2 code: ''ia'') *

Romanization Romanization or romanisation, in linguistics, is the conversion of text from a different writing system to the Roman (Latin) script, or a system for doing so. Methods of romanization include transliteration, for representing written text, an ...

of Cyrillic '' Я'' letter

People

* Ia or Violet of Persia, fourth-century martyr, feast day September 11 * Saint Ia of Cornwall * Mattias Eklundh, Swedish guitarist

Places

* Ia or

Oia Oia or OIA may refer to: Places *Oia, Spain, a municipality in Galicia, in the province of Pontevedra *Oia, Greece, a small town on the island of Santorini *Oia, alternate name of Oea (Attica), a town of ancient Attica *Oia, alternate name of Oe ...

, Greece, on Santorini *

Iowa Iowa () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wiscon ...

, U.S. (postal abbreviation) *

Iá River Iá River is a river of Amazonas state in north-western Brazil. See also * List of rivers of Amazonas ReferencesBrazilian Ministry of Transport Rivers of Amazonas (Brazilian state) {{AmazonasBR-river-stub ...

, a river in Brazil

Science and technology

Archaeology

* Institute of Archaeology, Chinese Academy of Social Sciences (IA) * ''

IA, The Journal of the Society for Industrial Archeology ''IA: The Journal of the Society for Industrial Archeology'' is a biannual peer-reviewed academic journal published by the Society for Industrial Archeology, currently edited by Steven Walton (Michigan Technological University). ''IA'' publishes s ...

'' *

Industrial archaeology Industrial archaeology (IA) is the systematic study of material evidence associated with the industrial past. This evidence, collectively referred to as industrial heritage, includes buildings, machinery, artifacts, sites, infrastructure, doc ...

* Iron Age IA I, IA IIA, etc., in

archaeology of Israel The archaeology of Israel is the study of the archaeology of the present-day Israel, stretching from prehistory through three millennia of documented history. The ancient Land of Israel was a geographical bridge between the political and cultu ...

Biology and medicine

* IA (chemotherapy), with Idarubicin and cytarabine * ''Ia'' (genus), of vespertilionid bats * Phase Ia of a clinical trial *

Immunoassay An immunoassay (IA) is a biochemical test that measures the presence or concentration of a macromolecule or a small molecule in a solution through the use of an antibody (usually) or an antigen (sometimes). The molecule detected by the immunoass ...

, biochemical test to measure concentrations through antibody or antigen

Computing and electronics

IA (vocaloid) is a humanoid persona voiced by a singing synthesizer application developed by 1st Place Co., Ltd., headquartered in Meguro, Tokyo, Japan. They use Yamaha Corporation's Vocaloid 3 singing synthesizer technology. Her voice is created using samp ...

, in software *

IA-32 IA-32 (short for "Intel Architecture, 32-bit", commonly called i386) is the 32-bit version of the x86 instruction set architecture, designed by Intel and first implemented in the 80386 microprocessor in 1985. IA-32 is the first incarnation of ...

, Intel Architecture, 32-bit *

IA-64 IA-64 (Intel Itanium architecture) is the instruction set architecture (ISA) of the Itanium family of 64-bit Intel microprocessors. The basic ISA specification originated at Hewlett-Packard (HP), and was subsequently implemented by Intel in col ...

, Intel Architecture, 64-bit *

Implicit authentication Implicit authentication (IA) is a technique that allows the smart device to recognize its owner by being acquainted with his/her behaviors. It is a technique that uses machine learning algorithms to learn user behavior through various sensors on th ...

, by a smart device * Human intelligence amplification through technology *

Intelligent agent In artificial intelligence, an intelligent agent (IA) is anything which perceives its environment, takes actions autonomously in order to achieve goals, and may improve its performance with learning or may use knowledge. They may be simple or c ...

, in artificial intelligence *

Information architecture Information architecture (IA) is the structural design of shared information environments; the art and science of organizing and labelling websites, intranets, online communities and software to support usability and findability; and an emergin ...

, the structural design of shared information *

Information assurance Information assurance (IA) is the practice of assuring information and managing risks related to the use, processing, storage, and transmission of information. Information assurance includes protection of the integrity, availability, authenticity, ...

, dealing with trust aspects of information

Other uses in science and technology

* Group IA (or Ia), an obsolete designation for the

group 1 element The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (K),The symbols Na and K for sodium and potassium are derived from their Latin names, ''natrium'' and ''kalium''; these are still the origins of the names ...

s *

Type Ia supernova A Type Ia supernova (read: "type one-A") is a type of supernova that occurs in binary systems (two stars orbiting one another) in which one of the stars is a white dwarf. The other star can be anything from a giant star to an even smaller whit ...

, a subtype of Type I supernova * Interactions of actors theory, by Gordon Pask

Other uses

Internal affairs (disambiguation) Internal affairs may refer to: Government and law * The domestic policy of a sovereign state * Ministry of home affairs, a common type of government department ** Ministry of Internal Affairs ** Department of Internal Affairs, New Zealand ** Dir ...

* Intermediate in Arts, an academic degree *

Internal audit Internal auditing is an independent, objective assurance and consulting activity designed to add value and improve an organization's operations. It helps an organization accomplish its objectives by bringing a systematic, disciplined approach t ...

of an organization's operations * International affairs, alternative term for

International relations International relations (IR), sometimes referred to as international studies and international affairs, is the Scientific method, scientific study of interactions between sovereign states. In a broader sense, it concerns all activities betwe ...

, the study of politics, economics and law on a global level * Íþróttabandalag Akraness or ÍA, an Icelandic football team * Mazda2, a 2002–present Japanese subcompact car, sold in North America as the Scion iA and Toyota Yaris iA